package com.util;

import javax.servlet.http.HttpServletRequest;
import java.util.UUID;

/**
 * Created by Administrator on 2019/3/7.
 */
public class CommonUtil {

    public static String getIpAddr(HttpServletRequest request) {
        String ip = request.getHeader("x-forwarded-for");
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("Proxy-Client-IP");
        }
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("WL-Proxy-Client-IP");
        }
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getRemoteAddr();
        }
        return ip;
    }

    public  static String getUUID(){
       return UUID.randomUUID().toString().replaceAll("-","");
    }
}
